CYS Audio/Video Downloader

Free Downloader for Firefox, Sea Monkey, and Pale Moon

Update January 2024: CYS has been disabled on the AMO site as legacy add-ons are no longer compatible with current versions of Firefox. CYS has not been abandoned. We are rewriting the code from scratch, for all three browsers. We will be back soon with a new and improved version. Continue to CYS website here.

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